Rare footage shows a "Dumbo" octopus swimming near a submersible in the deep ocean. The animal was spotted more than 5,500 feet underwater by a research expedition. The Ocean Exploration Trust's ...

A British holiday maker has struck up a friendship with a little octopus in Cyprus – meeting underwater every day. Matthew ...

The octopus is a natural escape artist. It can squeeze its soft body into impossibly tight spaces and often baffles aquarium workers with its ability to break out of tanks. These abilities could be ...

Scientists didn't know what kind of octopus egg they'd plucked from the bottom of the sea until the shell started to hatch — then, they saw the elephant ears. The adorable cephalopod hatchling, which ...

The animal was spotted more than 5,500 feet underwater by a research expedition. The Ocean Exploration Trust's Nautilus mission ran into the octopus while live-streaming. Rare footage shows an unusual ...

Researchers have built a robotic octopus that can swim, crawl and carry objects in its tentacles. The current version of the robot has been "upgraded" since last year, as the researchers have added a ...

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With blue blood and three hearts, the octopus has one of the most unusual circulatory systems in the animal kingdom.